Home / 13,076,137.49-18,037,555.47-8,172,850.01

Finding the Fourth Proportional to 13,076,137.49, 18,037,555.47 and 8,172,850.01

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Solution

The fourth proportional to 13,076,137.49, 18,037,555.47 and 8,172,850.01 is: 11,273,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,137.49 : 18,037,555.47 = 8,172,850.01 : x
  2. Step 2: Convert to fraction form
    13,076,137.49/18,037,555.47 = 8,172,850.01/x
  3. Step 3: Cross multiply
    13,076,137.49x = 18,037,555.47 × 8,172,850.01
  4. Step 4: Simplify right side
    13,076,137.49x = 147,418,235,313,177.25
  5. Step 5: Solve for x
    x = 147,418,235,313,177.25/13,076,137.49
  6. Step 6: Final answer
    x = 11,273,836.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.